Under the overall background of the science of human settlements, from the perspective of an "unusual" teacher of the urban and rural planning major who is transferred from a designer to a college teacher, this paper discussed the "unbounded classes" teaching attempt of a landscape architecture teacher in the course teaching of architecture and planning. This paper proposed a systematic and unbounded teaching method with the teaching aim of the coordination of nature and human, taking value education as the core, regarding the oriental wisdom and value orientation as the teaching activation point, and combining the western science and technology and the empirical logic method. Thus to break through the barrier among architecture, planning and landscape disciplines, and break the boundary of disciplines, teachers and students, knowledge and practice, the oriental and the western, the traditional and the modern, humanity and technology, urban and rural communities, the inside and outside of the classroom, to maximize the multiple comprehensive advantages of landscape architecture teachers and achieve the goal of educating people.